Year	annual %
1981	-5.110289263978643
1982	-4.979204918552696
1983	0.4020952556194999
1984	-3.1828522039288316
1985	-6.363482294884676
1986	-3.464692614037318
1987	5.009642985551622
1988	-1.8344418825442972
1989	1.1392458755220929
1990	-0.8300187245440043
1991	2.895405637782261
1992	9.434832386385722
1993	1.0129286106467958
1994	5.010074029678151
1995	6.953697343086333
1996	-1.253611050009411
1997	-3.6544436870797767
1998	-1.4619928245762708
1999	-3.1167895541088626
2000	-16.419984886693513
2001	-10.133778943302218
2002	-5.035048501387422
2003	4.108525978184943
2004	5.270962148266875
2005	4.9767650390367635
2006	1.8285518059968382
2007	1.3416529438625702
2008	3.882826826311586
2009	0.558443866775832
2010	7.158309775014885
2011	4.8443172521881905
2012	-0.06820318689433691
2013	2.599048838048489
2014	-1.3533230676636663
2015	-0.860529804071021
2016	2.95964958146601
2017	0.5879618711973222
2018	0.31234938286843317
2019	-0.6246868449011487
2020	-5.645401809530426
2021	0.15039248504862712
2022	0.08063104259505849
2023	0.7044168968041618